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Finding the Fourth Proportional to 169,856.64, 234,405.06 and 93,378.93

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Solution

The fourth proportional to 169,856.64, 234,405.06 and 93,378.93 is: 128,864.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,856.64 : 234,405.06 = 93,378.93 : x
  2. Step 2: Convert to fraction form
    169,856.64/234,405.06 = 93,378.93/x
  3. Step 3: Cross multiply
    169,856.64x = 234,405.06 × 93,378.93
  4. Step 4: Simplify right side
    169,856.64x = 21,888,493,689.39
  5. Step 5: Solve for x
    x = 21,888,493,689.39/169,856.64
  6. Step 6: Final answer
    x = 128,864.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.